HQRP Universal Car Windshield Cradle Suction Cup Mount / Holder for Garmin StreetPilot C510 C550 C580 GPS plus HQRP Universal Screen Protector - Walmart.com
RAM® Drill-Down Mount for Garmin StreetPilot c550, c580, i2, i3 & i5
Best Buy: Garmin StreetPilot C580 Portable GPS 010-00522-06